Waya siri ike ịgbado ọkụ nwere mkpuchi gas

Ware Welding siri ike nke nwere mkpuchi gas

Na-ewebata waya ịgbado ọkụ siri ike nke Gas Shielded, zuru oke maka mkpa ịgbado ọkụ gị niile.Emebere na 1950s, ịgbado ọkụ CO2 gas-shield aghọwo usoro ịgbado ọkụ dị mkpa, nke a na-ejikarị eme ihe n'ọtụtụ mpaghara dị ka ụlọ ọrụ ụgbọ ala, nrụpụta ihe owuwu, nrụpụta ụgbọ mmiri, nrụpụta akụrụngwa ọla, àkwà mmiri, ọrụ ihe owuwu iri, ụlọ ọrụ petrochemical, mmiri ọkụ na nrụpụta ụgbọ mmiri nrụgide, ngwaahịa mpịakọta, na ndị ọzọ.

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Ka ọ dị ugbu a, imepụta na ngwa nke ikuku ịgbado ọkụ CO2 gas na-aga n'ihu, ebe ụfọdụ mba mepere emepe dị ka nke anyị na-enweta 40-50% nke mkpokọta ịgbado ọkụ.Ọ na-ewu ewu kwa ụbọchị n'ọtụtụ ngalaba, jiri nwayọ dochie ịgbado ọkụ n'aka.Otu n'ime uru ya dị ịrịba ama bụ ọnụ ahịa ịgbado ọkụ ya dị ala, na-eme ka ọ dịkwuo ọnụ ahịa karịa usoro ịgbado ọkụ ndị ọzọ.

Waya ịgbado ọkụ na-ekpuchi gas na-etu ọnụ maka nrụpụta ọrụ dị elu na ike dị ala, na-eme ka ọ dị mma maka ọrụ ịgbado ọkụ dị elu.Ọ dịkwa mfe ịrụ ọrụ nke ukwuu, ebe ọ na-enye ohere ịgbado ọkụ n'ọnọdụ niile, gụnyere ịgbado ọkụ n'elu.Nke a na-eme ka ọ dị mma maka ịgbado ọkụ na oghere siri ike ma ọ bụ akụkụ siri ike.

Ọzọkwa, welds nwere waya ịgbado ọkụ CO2 gas na-enye ezigbo mma.Site na ọdịnaya hydrogen dị ala yana obere ọdịnaya nitrogen, welds nwere ezigbo nguzogide mgbape.Welds nwekwara obere nrụrụ mgbe emechara, na-eme ka ọ zuo oke maka ọbụna ọrụ ịgbado ọkụ kacha sie ike.Waya na-enyekwa mgbanwe dị ka ọ dabara adaba maka ịgbado efere dị nro, ọkara na nnukwu.

Na mmechi, waya ịgbado ọkụ siri ike nke gas bụ ihe mgbakwunye dị mkpa na usoro ịgbado ọkụ gị, yana ọtụtụ uru ya na-eme ka usoro ịgbado ọkụ ndị ọzọ ghara imeri ya.N'iji ezigbo mma, ọnụ ala dị ala, arụmọrụ dị elu, yana ịdị mfe iji, ọ na-aghọ ngwa ngwa usoro ịgbado ọkụ n'ọtụtụ ngalaba.Họrọ nke kacha mma, wee nweta nsonaazụ kacha mma site na iji waya ịgbado ọkụ siri ike nke gas.

Nlereanya	GB	AWS	Dayameta (mm)	Ugbu a	Na-eji
CB-ER50-3	ER50-3	ER70S-3	0.8,1.0,1.2,1.6	DC+	Eji maka ịgbado ọkụ obere carbon ígwè akụkụ na ọgwụgwọ elu nke ọma.
CB-ER50-4	ER50-4	ER70S-4	0.8,1.0,1.2,1.6	DC+	1, eji maka ịgbado ọkụ mpempe akwụkwọ metal na mkpa efere. 2, eji maka ịgbado ọkụ ígwè ọkpọkọ.
CB-ER50-6	ER50-6	ER70-6	0.8,1.0,1.2,1.6	DC+	Eji maka ịgbado ọkụ ụdị nile 500MPa structural ígwè akụkụ.
CB-ER50-G	GB/TER50	ER70S-G	0.8,1.0,1.2,1.6	DC+	Eji maka ịgbado ọkụ ndị eze niile nke 500MPa akụkụ ígwè arụrụ arụ, nnukwu efere na nnukwu pipeline.
CB-ER60-G	ER60-G	ER90S-G			Kwesịrị ekwesị maka ịgbado ọkụ 600MPa ihe owuwu ígwè dị elu.

Njirimara Mechanical nke ọla edobere

Njirimara Mechanical nke ọla edobere
Nlereanya	Rm(Mpa)	Rel(Mpa)	A(%)	KV2(J)
CB-ER50-3	≥500	≥420	≥22	≥27 (-18¸C)
CB-ER50-4	≥500	≥420	≥22	Akọwapụtaghị (-29︒C)
CB-ER50-6	≥500	≥420	≥22	≥27 (-30︒C)
CB-ER50-G	≥500	≥420	≥22	Dị ka ndị ahịa chọrọ (-30︒C)
CB-ER60-G	≥620	≥490	≥19	≥47 (-20︒C)

Chemical mejupụtara nke ịgbado ọkụ waya

Ngwakọta kemịkalụ nke waya ịgbado ọkụ (%)
Nlereanya	C	Mn	Si	S	p	Cu	Ti+Zr
CB-ER50-3	0.06-0.15	0.90-1.40	0.45-0.75	≤0.035	≤0.025	≤0.50
CB-ER50-4	0.07-0.15	1.0-1.5	0.65-0.85	≤0.035	≤0.025	≤0.50
CB-ER50-6	1.4-1.85	1.4-1.85	0.8-1.15	≤0.035	≤0.025	≤0.50
CB-ER50-G	1.40-1.90	1.40-1.90	0.55-1.10	≤0.030	≤0.030		≤0.30
CB-ER60-G	1.40-1.80	1.40-1.80	0.50-0.80	≤0.025	≤0.025	≤0.50